/Engine/Source/Runtime/AVEncoder/Public/AudioTypes.h
One sample - one sample byte * NumberBytesPerSample One frame - one sample * NumberChannels One second - one frame * SampleRate The number of samples per seconds - one sample byte * NumberBytesPerSample * NumberChannels * SampleRate
typedef [TArrayView](API\Runtime\Core\Containers\TArrayView)< const uint8_t > FAudioByteBuffer